chore(deps): update dependency grafana/flint to v0.21.0

[renovate]

This PR contains the following updates:

Package	Update	Change
grafana/flint	minor	v0.20.2 → v0.21.0

---

Release Notes

grafana/flint (grafana/flint)

v0.21.0

Compare Source

Added

• add flint setup preflight migrations (#​233)
• support managed linter configs and aqua-backed tool keys (#​228)
• switch xmloxide to github backend (#​229)
• add taplo formatter check (#​224)
• (init) configure line length during init (#​218)

Fixed

• support renovate v43.136.3 (#​223)
• switch yaml-lint to ryl (#​226)
• (ruff) install via github releases (#​227)
• resolve init rollout regressions (#​220)

Other

• reduce fake-bin fixture coverage (#​240)
• (deps) update dependency npm:renovate to v43.141.1 (#​221)
• guard fixture case groups (#​238)
• (deps) update dependency grafana/flint to v0.20.4 (#​235)
• (deps) lock file maintenance (#​237)
• (deps) update dependency mise to v2026.4.19 (#​236)
• (deps) update rust crate json5 to v1 (#​232)
• (deps) update taiki-e/install-action digest to 787505c (#​219)
• (deps) update dependency grafana/flint to v0.20.3 (#​225)

v0.20.4

Compare Source

Added

• add flint setup preflight migrations (#​233)
• support managed linter configs and aqua-backed tool keys (#​228)
• switch xmloxide to github backend (#​229)
• add taplo formatter check (#​224)
• (init) configure line length during init (#​218)

Fixed

• support renovate v43.136.3 (#​223)
• switch yaml-lint to ryl (#​226)
• (ruff) install via github releases (#​227)
• resolve init rollout regressions (#​220)

Other

• reduce fake-bin fixture coverage (#​240)
• (deps) update dependency npm:renovate to v43.141.1 (#​221)
• guard fixture case groups (#​238)
• (deps) update dependency grafana/flint to v0.20.4 (#​235)
• (deps) lock file maintenance (#​237)
• (deps) update dependency mise to v2026.4.19 (#​236)
• (deps) update rust crate json5 to v1 (#​232)
• (deps) update taiki-e/install-action digest to 787505c (#​219)
• (deps) update dependency grafana/flint to v0.20.3 (#​225)

v0.20.3

Compare Source

Added

• add flint setup preflight migrations (#​233)
• support managed linter configs and aqua-backed tool keys (#​228)
• switch xmloxide to github backend (#​229)
• add taplo formatter check (#​224)
• (init) configure line length during init (#​218)

Fixed

• support renovate v43.136.3 (#​223)
• switch yaml-lint to ryl (#​226)
• (ruff) install via github releases (#​227)
• resolve init rollout regressions (#​220)

Other

• reduce fake-bin fixture coverage (#​240)
• (deps) update dependency npm:renovate to v43.141.1 (#​221)
• guard fixture case groups (#​238)
• (deps) update dependency grafana/flint to v0.20.4 (#​235)
• (deps) lock file maintenance (#​237)
• (deps) update dependency mise to v2026.4.19 (#​236)
• (deps) update rust crate json5 to v1 (#​232)
• (deps) update taiki-e/install-action digest to 787505c (#​219)
• (deps) update dependency grafana/flint to v0.20.3 (#​225)

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.